/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.runners.core.triggers;



import com.bff.gaia.unified.vendor.guava.com.google.common.collect.Sets;



import java.util.Set;



/** An implementation of {@link FinishedTriggers} atop a user-provided mutable {@link Set}. */

public class FinishedTriggersSet implements FinishedTriggers {



  private final Set<ExecutableTriggerStateMachine> finishedTriggers;



  private FinishedTriggersSet(Set<ExecutableTriggerStateMachine> finishedTriggers) {

    this.finishedTriggers = finishedTriggers;

  }



  public static FinishedTriggersSet fromSet(Set<ExecutableTriggerStateMachine> finishedTriggers) {

    return new FinishedTriggersSet(finishedTriggers);

  }



  /** Returns a mutable {@link Set} of the underlying triggers that are finished. */

  public Set<ExecutableTriggerStateMachine> getFinishedTriggers() {

    return finishedTriggers;

  }



  @Override

  public boolean isFinished(ExecutableTriggerStateMachine trigger) {

    return finishedTriggers.contains(trigger);

  }



  @Override

  public void setFinished(ExecutableTriggerStateMachine trigger, boolean value) {

    if (value) {

      finishedTriggers.add(trigger);

    } else {

      finishedTriggers.remove(trigger);

    }

  }



  @Override

  public void clearRecursively(ExecutableTriggerStateMachine trigger) {

    finishedTriggers.remove(trigger);

    for (ExecutableTriggerStateMachine subTrigger : trigger.subTriggers()) {

      clearRecursively(subTrigger);

    }

  }



  @Override

  public FinishedTriggersSet copy() {

    return fromSet(Sets.newHashSet(finishedTriggers));

  }

}